* {
  margin: 0;
  padding: 0;
  list-style: none;
}

.title-box {
  display: flex;
  justify-content: space-around;
  align-items: center;
}


.title {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex: 1;
}

.qwer:hover .content-box {
  display: block;
}

.title span:nth-child(1) {
  background-color: hotpink;
  padding: 2px;
  margin: 2px;
  border-radius: 2px;
  color: white;
}

.content-box {
  border-radius: 4px;
  box-shadow: 2px 2px 2px 1px #ccc;
  width: 120px;
  position: absolute;
  top: 100%;
  z-index: 99;
  display: none;
  font-size: 14px;
  left: 0;
  background-color: white;
}

.content-item {
    padding: 4px 0;
}

.title:last-child .content-box {
  right: 0;
  left: auto;
}

.content-item b {
  color: skyblue;
  margin-right: 6px;
}